diff --git a/CHANGELOG.md b/CHANGELOG.md
index 45ed3e1..3981716 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 ## [Unreleased]
 
+## 5.2.2
+### Fixed
+- fix #464: add Intl.Segmenter polyfill
+
 ## 5.2.1
 ### Added
 - chore: set side_menu as package name
diff --git a/appinfo/info.xml b/appinfo/info.xml
index 5e127f3..d7af92a 100644
--- a/appinfo/info.xml
+++ b/appinfo/info.xml
@@ -30,7 +30,7 @@ Notice
 Because I believe in a free and decentralized Internet, [Gitnet](https://gitnet.fr) is **self-hosted at home**.
 In case of downtime, you can download **Custom Menu** from [here](https://kim.deblan.fr/~side_menu/).
 ]]></description>
-    <version>5.2.1</version>
+    <version>5.2.2</version>
     <licence>agpl</licence>
     <author mail="contact@deblan.fr" homepage="https://www.deblan.fr/">Simon Vieille</author>
     <namespace>SideMenu</namespace>
diff --git a/package-lock.json b/package-lock.json
index 5ed7d54..0b5a50f 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -7,6 +7,7 @@
       "license": "agpl",
       "dependencies": {
         "@babel/core": ">=7.12.0 <8.0.0",
+        "@formatjs/intl-segmenter": "^12.0.8",
         "@nextcloud/router": "^3.0.1",
         "@nextcloud/vue": "^9.0.0-alpha.8",
         "node-polyfill-webpack-plugin": "^4.1.0",
@@ -532,6 +533,48 @@
       "integrity": "sha512-MDWhGtE+eHw5JW7lq4qhc5yRLS11ERl1c7Z6Xd0a58DozHES6EnNNwUWbMiG4J9Cgj053Bhk8zvlhFYKVhULwg==",
       "license": "MIT"
     },
+    "node_modules/@formatjs/ecma402-abstract": {
+      "version": "3.0.8",
+      "resolved": "https://registry.npmjs.org/@formatjs/ecma402-abstract/-/ecma402-abstract-3.0.8.tgz",
+      "integrity": "sha512-NRiqvxAvhbARZRFSRFPjN0y8txxmVutv2vMYvW2HSdCVf58w9l4osLj6Ujif643vImwZBcbKqhiKE0IOhY+DvA==",
+      "license": "MIT",
+      "dependencies": {
+        "@formatjs/fast-memoize": "3.0.3",
+        "@formatjs/intl-localematcher": "0.7.5",
+        "decimal.js": "^10.4.3",
+        "tslib": "^2.8.0"
+      }
+    },
+    "node_modules/@formatjs/fast-memoize": {
+      "version": "3.0.3",
+      "resolved": "https://registry.npmjs.org/@formatjs/fast-memoize/-/fast-memoize-3.0.3.tgz",
+      "integrity": "sha512-CArYtQKGLAOruCMeq5/RxCg6vUXFx3OuKBdTm30Wn/+gCefehmZ8Y2xSMxMrO2iel7hRyE3HKfV56t3vAU6D4Q==",
+      "license": "MIT",
+      "dependencies": {
+        "tslib": "^2.8.0"
+      }
+    },
+    "node_modules/@formatjs/intl-localematcher": {
+      "version": "0.7.5",
+      "resolved": "https://registry.npmjs.org/@formatjs/intl-localematcher/-/intl-localematcher-0.7.5.tgz",
+      "integrity": "sha512-7/nd90cn5CT7SVF71/ybUKAcnvBlr9nZlJJp8O8xIZHXFgYOC4SXExZlSdgHv2l6utjw1byidL06QzChvQMHwA==",
+      "license": "MIT",
+      "dependencies": {
+        "@formatjs/fast-memoize": "3.0.3",
+        "tslib": "^2.8.0"
+      }
+    },
+    "node_modules/@formatjs/intl-segmenter": {
+      "version": "12.0.8",
+      "resolved": "https://registry.npmjs.org/@formatjs/intl-segmenter/-/intl-segmenter-12.0.8.tgz",
+      "integrity": "sha512-seByJgn5tx34X25O8mu63wYJ5JVQcUM4fkscobkA+wBhmyI1rJSgNCf6p8XZ28nCm514Cb2N0f3sAmpEyLPJ6g==",
+      "license": "MIT",
+      "dependencies": {
+        "@formatjs/ecma402-abstract": "3.0.8",
+        "@formatjs/intl-localematcher": "0.7.5",
+        "tslib": "^2.8.0"
+      }
+    },
     "node_modules/@humanfs/core": {
       "version": "0.19.1",
       "resolved": "https://registry.npmjs.org/@humanfs/core/-/core-0.19.1.tgz",
@@ -2812,6 +2855,12 @@
         }
       }
     },
+    "node_modules/decimal.js": {
+      "version": "10.6.0",
+      "resolved": "https://registry.npmjs.org/decimal.js/-/decimal.js-10.6.0.tgz",
+      "integrity": "sha512-YpgQiITW3JXGntzdUmyUR1V812Hn8T1YVXhCu+wO3OpS4eU9l4YdD3qjyiKdV6mvV29zapkMeD390UVEf2lkUg==",
+      "license": "MIT"
+    },
     "node_modules/decode-named-character-reference": {
       "version": "1.1.0",
       "resolved": "https://registry.npmjs.org/decode-named-character-reference/-/decode-named-character-reference-1.1.0.tgz",
@@ -7367,6 +7416,12 @@
         "url": "https://github.com/sponsors/wooorm"
       }
     },
+    "node_modules/tslib": {
+      "version": "2.8.1",
+      "resolved": "https://registry.npmjs.org/tslib/-/tslib-2.8.1.tgz",
+      "integrity": "sha512-oJFu94HQb+KVduSUQL7wnpmqnfmLsOA/nAh6b6EH0wCEoK0/mPeXU6c3wKDV83MkOuHPRHtSXKKU99IBazS/2w==",
+      "license": "0BSD"
+    },
     "node_modules/tty-browserify": {
       "version": "0.0.1",
       "resolved": "https://registry.npmjs.org/tty-browserify/-/tty-browserify-0.0.1.tgz",
diff --git a/package.json b/package.json
index 0a23693..fdb050f 100644
--- a/package.json
+++ b/package.json
@@ -11,6 +11,7 @@
   },
   "dependencies": {
     "@babel/core": ">=7.12.0 <8.0.0",
+    "@formatjs/intl-segmenter": "^12.0.8",
     "@nextcloud/router": "^3.0.1",
     "@nextcloud/vue": "^9.0.0-alpha.8",
     "node-polyfill-webpack-plugin": "^4.1.0",
diff --git a/src/admin.js b/src/admin.js
index 06cdbe5..79505b7 100644
--- a/src/admin.js
+++ b/src/admin.js
@@ -17,6 +17,8 @@
 
 import './scss/admin.scss'
 
+import '@formatjs/intl-segmenter/polyfill.js'
+
 import { createApp } from 'vue'
 import { createPinia } from 'pinia'
 import { waitContainer } from './lib/dom.js'
diff --git a/src/menu.js b/src/menu.js
index 7a92f62..9f41a0f 100644
--- a/src/menu.js
+++ b/src/menu.js
@@ -17,6 +17,8 @@
 
 import './scss/menu.scss'
 
+import '@formatjs/intl-segmenter/polyfill.js'
+
 import { createApp } from 'vue'
 import { createPinia } from 'pinia'
 import { createElement, waitContainer } from './lib/dom.js'
diff --git a/src/user.js b/src/user.js
index 0f4b27a..0147a7c 100644
--- a/src/user.js
+++ b/src/user.js
@@ -17,6 +17,8 @@
 
 import './scss/admin.scss'
 
+import '@formatjs/intl-segmenter/polyfill.js'
+
 import { createApp } from 'vue'
 import { createPinia } from 'pinia'
 import { waitContainer } from './lib/dom.js'